Leucorrhoea is caused by

Options

A. Leishmania donovani
B. Trichomonas vaginalis
C. Lophomonas blattarum
D. Trichonympha campanula.

Answer

**Step-by-Step Solution:**

1. **Understanding Leucorrhoea:**
- Leucorrhoea is characterized by an abnormal discharge from the vagina, often described as thick mucus. It is a symptom associated with vaginitis, which is the inflammation of the vagina. Other symptoms may include burning sensations, itching, and discomfort during urination.

2. **Analyzing the Options:**
- The question provides four options regarding the causative agents of Leucorrhoea. We need to evaluate each option to identify which one is responsible for this condition.

3. **Evaluating Each Option:**
- **Leishmania donovani:**
- This parasite is known to cause Kala azar (leishmaniasis) and is transmitted by sand flies. It is not associated with Leucorrhoea.
- **Trichomonas vaginalis:**
- This is a protozoan parasite that specifically infects the vagina and is known to cause Leucorrhoea. This option is likely correct.
- **Lophomonas blattarum:**
- This flagellate parasite is associated with bronchopulmonary infections and does not affect the vagina, making it an incorrect choice.
- **Trichonympha campanula:**
- This organism is found in termites and aids in cellulose digestion. It is not related to human infections, particularly Leucorrhoea, thus it is also incorrect.

4. **Conclusion:**
- After evaluating all the options, the correct answer is **Trichomonas vaginalis**, as it is the only organism listed that is known to cause Leucorrhoea.

**Final Answer:**
- Leucorrhoea is caused by **Trichomonas vaginalis**.

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